This looks like another FBI Russian informant involved in the sting operation against the Trump campaign. From WaPo so take it with a grain of salt: https://www.msn.com/en-us/news/politics/trump-associate-roger-stone-reveals-new-contact-with-russian-national-during-2016-campaign/ar-AAyKN16?li=BBnb7Kz&ocid=SL5HDHP